April 2005 - July 2010
Network & System Administrator
CARLOS ALBIZU UNIVERSITY
San Juan, Puerto Rico
Oversaw network and system functionalities such as domain controller administration and active directory management while supervising team of three technicians.
Delivered technical leadership in implementing and configuring institutional servers, server applications, routers, switches, firewall and database as well as in managing Microsoft Exchange and SharePoint Server. Established and executed group and security policies while adhering with company policy and procedures. Documented server lifecycle management procedures, prepared application diagrams to reduce support requirements whilst improving quality and productivity.  Developed security, backup and disaster recovery procedures with Symantec Backup Exec and Veritas backup software and managed drive array. Maintained Mitel's PBX and VoIP Platform for voice communications.
Key achievements
Upgraded Microsoft Exchange on premise server from 2010 to 2013 that expanded mailbox size from 2gb to 25gb.
Customized Domain Functional Level in the enterprise network from Windows 2003 to Windows 2008.
Obtained redundancy and more storage space by incorporating SAN Storage.
Achieved monitor internet usage and policy compliance by integrating web-filtering rule based on active directory.
Upgraded Mitel PBX Digital Technology to VOIP within 3 months that saved telephony equipment and expanded telephony services including desktop telephone support for the management.